TY  - BOOK
AU  - Roberts,Daniel A.
AU  - Boothroyd,Carl W.
TI  - Fundamentals of plant pathology
SN  - 0716708221
AV  - SB731 R62 1972
PY  - 1972///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Plant diseases
N1  - Includes bibliographical references
ER  -